[1] Duy Tan Univ, Inst Res & Dev, Da Nang, Vietnam
[2] VNUHCM Univ Sci, Dept Math & Comp Sci, Ho Chi Minh City, Vietnam
[3] Ton Duc Thang Univ, Fac Math & Stat, Appl Anal Res Grp, Ho Chi Minh City 700000, Vietnam
[4] Xiangtan Univ, Fac Math & Computat Sci, Xiangtan, Hunan, Peoples R China
[5] King Abdulaziz Univ, Nonlinear Anal & Appl Math NAAM Res Grp, Fac Sci, Jeddah, Saudi Arabia